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Seamless modulus gradient structures for highly resilient, stretchable system integration
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Microsystems Technology. Huazhong Univ Sci & Technol, State Key Lab Digital Mfg Equipment & Technol, Luoyu Rd 1037, Wuhan 430074, Hubei, Peoples R China.ORCID iD: 0000-0002-3719-406x
Huazhong Univ Sci & Technol, State Key Lab Digital Mfg Equipment & Technol, Luoyu Rd 1037, Wuhan 430074, Hubei, Peoples R China.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Applied Mechanics.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Applied Mechanics.
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2018 (English)In: MATERIALS TODAY PHYSICS, ISSN 2542-5293, Vol. 4, p. 28-35Article in journal (Refereed) Published
Abstract [en]

Hybrid system integration of rigid components into stretchable systems is often necessary when targeting for valuable functions in various scenarios. Among them, (Young's) modulus gradient structures for system integration demonstrate excellent mechanical performance when stretched. However, the mechanical reliability is still limited under large deformation due to the inherent interface between materials of different modulus. Here, a seamless transition between heterogeneous moduli parts made with polydimethylsiloxane (PDMS)-based elastomers is presented for stretchable system integration by simply tuning their modulus via introducing a small amount of an additive into some parts of the substrate. These gradient structures not only provide a high stretchability (similar to 250%) for the overall system, but also improve the resilience of the system (can be stretched up to 50,000 cycles from 0 to 150% global strain) at the same time. The seamless modulus gradient structures provide a simple and effective way of allowing highly resilient and stretchable system integration for various soft intelligent systems.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE BV , 2018. Vol. 4, p. 28-35
Keywords [en]
Seamless modulus gradient structure, Resilience, Stretchability, System integration
National Category
Composite Science and Engineering
Identifiers
URN: urn:nbn:se:uu:diva-361000DOI: 10.1016/j.mtphys.2018.02.002ISI: 000437313500005OAI: oai:DiVA.org:uu-361000DiVA, id: diva2:1251135
Available from: 2018-09-26 Created: 2018-09-26 Last updated: 2018-09-26Bibliographically approved

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Wu, ZhigangVorobyev, AlexeyGamstedt, E. KristoferJeong, Seung Hee

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